Check the listing for details. DIY SIMPLE ADVANCED QuikLock REED SWITCH MOTOR KIT #14 BIRTHDAY PARTY EDUCATION. Condition: New. Listed at 32.95 USD. DO IT YOURSELF !!!SIMPLE MOTOR KIT REED SWITCH MOTOR - KIT # 14 THIS KIT INCLUDES READY TO USE ELECTROMAGNET. IT REDUCES ASSEMBLY TIME AND THIS SIMPLE MOTOR COULD BE ASSEMBLED IN LESS THAN 30 MINUTES! THIS MOTOR USES STRONG NEODYMIUM MAGNETS SECURED BY SAFETY RING. NO MESSY GLUE IS NEEDED FOR ASSEMBLY AND NO TOOLS REQUIRED. EFFICIENT DESIGN MAKES THIS MOTOR EXTREMELY POWERFUL AND EASY TO ASSEMBLE WITHOUT ANY STRUGGLE. THIS IS OUR FASTEST MOTOR (UP TO 7000 RPM). IN ADDITION TO ALL FEATURES OF A SIMPLE REED SWITCH MOTOR THIS KIT INCLUDES EXTRA PARTS: • VARIABLE SPEED CONTROL THAT ALLOWS TO CHANGE THE MOTOR SPEED FROM FULL STOP TO MAXIMUM SPEED (AND EVEN SIGNIFICANTLY INCREASE THE SPEED!) • SECOND ROTOR PARTS AND EXTRA MAGNETS FOR EXPERIMENTS WITH 2 AND 4 MAGNET ROTORS THIS MOTOR USES STANDARD AA SIZE BATTERIES (NOT SUPPLIED). INCLUDED JUMPER WIRE ALLOWS TO EXPERIMENT WITH 4 DIFFERENT VOLTAGES: 1.5, 3, 4.5 AND 6 VOLTS. BASED ON AWARD WINNING PROJECT GREAT FOR SCIENCE FAIR PROJECT, HOMESCHOOLING, SCOUTS MEETING, BIRTHDAY PARTY, ETC. - YOU NAME IT! OUR MOTOR KITS PROVIDE LOTS OF FUN AND GREAT LEARNING EXPERIENCE PERFECT EDUCATIONAL TOOL TO LEARN BASICS OF ELECTRICITY, MAGNETISM AND ELECTRIC MOTORS. WE HAVE IT ALL! DETAILED ASSEMBLY INSTRUCTIONS PROVIDED ONLINE FOR EVERY MOTOR KIT.PLEASE CHECK OUR OTHER MOTOR KITS Disclaimer: This is not a Lego® product even if it contains Lego® bricks and plates. We reserve the right to use other materials in the future. All warranties provided by Simple Motors. LEGO® is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this product.